From: Effect of subanesthetic dose of esketamine on postoperative rehabilitation in elderly patients undergoing hip arthroplasty
Group
Nausea and vomiting
Itchy skin
Dizzy
Talking more than usual
Group A (n = 67)
10 (15)
5 (7)
8 (12)
7 (11)
Group B (n = 65)
26 (40)
18 (28)
4 (6)
\(\chi^{2}\)
13.971
0.872
5.176
0.796
p
P < 0.001
0.350
0.023
0.372